ISA T1000 PLUS User Manual page 144

DOC. MIE91093
B) Parameter t (I>)
The Time Current Curves are calculated with the following
equation:
 
A

s t
a
 
I
   

 
I
R

A


F

 
a

10
t(I>) = Set time delay at 10 times the Pick-up Current.
In this instance, parameters are summarised in the following
table.
Rev. 1.34
  
F (tI )
1




B



1
1
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where: